Base | Representation |
---|---|
bin | 101011111101… |
… | …0001110001101 |
3 | 1121100210210201 |
4 | 1113322032031 |
5 | 21344420010 |
6 | 2141533501 |
7 | 366610414 |
oct | 127721615 |
9 | 47323721 |
10 | 23045005 |
11 | 12010065 |
12 | 7874291 |
13 | 4a0b3c9 |
14 | 30bc47b |
15 | 205323a |
hex | 15fa38d |
23045005 has 16 divisors (see below), whose sum is σ = 29517120. Its totient is φ = 17221248.
The previous prime is 23045003. The next prime is 23045017. The reversal of 23045005 is 50054032.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 23045005 - 21 = 23045003 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23045003) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5274 + ... + 8596.
It is an arithmetic number, because the mean of its divisors is an integer number (1844820).
Almost surely, 223045005 is an apocalyptic number.
It is an amenable number.
23045005 is a deficient number, since it is larger than the sum of its proper divisors (6472115).
23045005 is a wasteful number, since it uses less digits than its factorization.
23045005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3420.
The product of its (nonzero) digits is 600, while the sum is 19.
The square root of 23045005 is about 4800.5213258562. The cubic root of 23045005 is about 284.5720673246.
Adding to 23045005 its reverse (50054032), we get a palindrome (73099037).
The spelling of 23045005 in words is "twenty-three million, forty-five thousand, five".
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